Home / 787,944.87-1,182,090.03-255,519.72

Finding the Fourth Proportional to 787,944.87, 1,182,090.03 and 255,519.72

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Solution

The fourth proportional to 787,944.87, 1,182,090.03 and 255,519.72 is: 383,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,944.87 : 1,182,090.03 = 255,519.72 : x
  2. Step 2: Convert to fraction form
    787,944.87/1,182,090.03 = 255,519.72/x
  3. Step 3: Cross multiply
    787,944.87x = 1,182,090.03 × 255,519.72
  4. Step 4: Simplify right side
    787,944.87x = 302,047,307,569.94
  5. Step 5: Solve for x
    x = 302,047,307,569.94/787,944.87
  6. Step 6: Final answer
    x = 383,335.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.